/Engine/Source/Runtime/Engine/Public/Animation/AnimCurveUtils.h
Inserts elements to curves in bulk. This is more efficient that just callingCurve.Set()repeatedly.
template<typename CurveType0, typename CurveType1, typename ValuePredicateType> static void BulkSet ( CurveType0 & InCurve, const CurveType1 & InBulkCurves, const ValuePredicateType & InValuePredicate )